|
gptkbp:instanceOf
|
gptkb:star
binary star system
|
|
gptkbp:age
|
0.6-1.0 billion years
|
|
gptkbp:apparentMagnitude
|
9.37
|
|
gptkbp:constellation
|
gptkb:Sagittarius
|
|
gptkbp:containsPlanet
|
hot Jupiter
|
|
gptkbp:declination
|
+22° 42′ 39″
|
|
gptkbp:diameter
|
0.76 solar radii
|
|
gptkbp:discoveredExoplanets
|
2005
|
|
gptkbp:distanceFromEarth
|
approximately 114 light years
|
|
gptkbp:distanceToCompanion
|
216 AU
|
|
gptkbp:exoplanetDiscoveryMethod
|
radial velocity
transit
|
|
gptkbp:exoplanetOrbitalPeriod
|
2.2 days
|
|
gptkbp:hasCompanion
|
BD-22 5171B
|
|
gptkbp:hasExoplanet
|
gptkb:HD_189733_b
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
BD-22 5172
|
|
gptkbp:mass
|
0.82 solar masses
|
|
gptkbp:metallicity
|
-0.03 [Fe/H]
|
|
gptkbp:notableFor
|
host of one of the most studied exoplanets
|
|
gptkbp:otherDesignation
|
gptkb:HD_189733
gptkb:HIP_98505
|
|
gptkbp:parallax
|
51.94 mas
|
|
gptkbp:rightAscension
|
20h 00m 43.7s
|
|
gptkbp:rotationPeriod
|
3.5 km/s
|
|
gptkbp:spectralType
|
gptkb:K3V
|
|
gptkbp:variableType
|
gptkb:BY_Draconis_variable
|
|
gptkbp:bfsParent
|
gptkb:HD_171780
gptkb:HD_173291
|
|
gptkbp:bfsLayer
|
8
|